March 2025 monthly summary for ethereum-optimism/design-docs: The standout deliverable was the Developer Experience (DX) Design Process Enhancement. Updated the design document template to explicitly include an assessment of the impact on developer experience and compatibility with existing tools, ensuring DX is a core consideration in all design proposals. This change improves onboarding, reduces tool friction, and aligns proposal quality with DX objectives. No major bugs were fixed this month in this repository. Overall impact includes higher-quality design proposals, stronger DX alignment, and smoother contributor experience. Technologies and skills demonstrated include design doc templating, DX criteria integration, and cross-tool compatibility assessment, with a concrete commit reinforcing the change.